English
Related papers

Related papers: Nanoscale molecular electrochemical supercapacitor…

200 papers

Creating nanopores in graphene is a powerful tool for engineering its properties. Nanopores in graphene tune their electrical, optical, magnetic, and mechanical properties. However, controlling nanopores formation at the nanoscale level…

Mesoscale and Nanoscale Physics · Physics 2023-05-23 Sidi Abdelmajid Ait Abdelkader , Ismail Benabdallah , Mohammed Amlieh , Abdelouahad El Fatimy

The kinetic performance of graphite particles is difficult to deconvolute from half-cell experiments, where the influences of the working electrode porosity and the counter electrode contribute nonlinearly to the electrochemical re-sponse.…

Materials Science · Physics 2015-03-13 Michael Heß , Petr Novák

We have designed and fabricated a shallow-etched grating on gallium arsenide nanomembranes for efficient chip-to-fiber coupling in quantum photonic integrated circuits. Experimental results show that the grating provides a fiber-coupling…

We present an efficient electrocatalytic material based on anchored MoO3 nanoparticles on reduced graphene oxide (RGO) nanosheets. After preparation of graphene oxide (GO), the MoO3 nanoparticles anchored on GO nanosheet by using the…

Applied Physics · Physics 2019-03-28 Mahyar Servati , Reza Rasuli

We present the coupling of two frameworks -- the pseudo-open boundary simulation method known as constant potential Molecular Dynamics simulations (C$\mu$MD), combined with QMMD calculations -- to describe the properties of graphene…

Materials Science · Physics 2023-04-19 Nicodemo Di Pasquale , Aaron R. Finney , Joshua Elliott , Paola Carbone , Matteo Salvalaglio

Graphene is an ideal material for fabricating atomically thin nanometre spaced electrodes. Recently, carbon-based nanoelectrodes have been employed to create single-molecule transistors and phase change memory devices. In spite of the…

Obtaining a robust superconducting state in atomically precise nanographene (NG) structures by proximity to a superconductor could foster the discovery of topological superconductivity in graphene. On-surface synthesis of such NGs has been…

An ideal support for electron microscopy shall be as thin as possible and interact as little as possible with the primary electrons. Since graphene is atomically thin and made up of carbon atoms arranged in a honeycomb lattice, the…

Materials Science · Physics 2014-05-13 Jean-Nicolas Longchamp , Conrad Escher , Tatiana Latychevskaia , Hans-Werner Fink

The integration of graphene with complex-oxide heterostructures such as LaAlO$_3$/SrTiO$_3$ offers the opportunity to combine the multifunctional properties of an oxide interface with the electronic properties of graphene. The ability to…

In graphene based materials, the energy storage capacity is usually improved by rich porous structures with extremely high surface area. By utilizing surface corrugations, this work shows an alternative strategy to activate graphene…

Applied Physics · Physics 2021-10-07 Longsheng Zhong , Chang Wu , Xiaojing Zhu , Shulai Lei , Guijie Liang , Sepidar Sayyar , Biao Gao , Liangxu Lin

The formation of graphen-nanotube composites addresses a few basic problems. First, both partners are good donors and acceptors of electrons, which significantly complicates the intermolecular interaction between them leading to a two-well…

Materials Science · Physics 2009-01-26 Elena F. Sheka , Leonid A. Chernozatonskii

On-surface synthesis enables the fabrication of graphene nanoribbons (GNRs) with atomic precision, allowing their electronic, optical, and magnetic properties to be tuned by engineering edge structure and width. Progress on the synthesis of…

We present an analytical theory for the gate electrostatics and the classical and quantum capacitance of the graphene nanoribbons (GNRs) and compare it with the exact self-consistent numerical calculations based on the tight-binding…

Mesoscale and Nanoscale Physics · Physics 2014-02-12 A. A. Shylau , J. W. Klos , I. V. Zozoulenko

Currently, the fundamental factors that control the oxygen reduction reaction (ORR) activity of graphene itself, in particular the dependence of the ORR activity on the number of exposed edge sites remain elusive, mainly due to limited…

Materials Science · Physics 2014-11-18 John Benson , Qian Xu , Peng Wang , Yuting Shen , Litao Sun , Tanyuan Wang , Meixian Li , Pagona Papakonstantinou

Nanofabrication research pursues the miniaturization of patterned feature size. In the current state of the art, micron scale areas can be patterned with features down to ~ 30 nm pitch using electron beam lithography. Our work demonstrates…

Interplay between structure and function in atomically thin crystalline nanoribbons is sensitive to their conformations yet the ability to prescribe them is a formidable challenge. Here, we report a novel paradigm for controlled nucleation…

Materials Science · Physics 2014-10-02 Alireza Shahabi , Hailong Wang , Moneesh Upmanyu

Here we develop a class off face centred cubic structure of metallic silver nanocrystals, to enable high ORR activity process. Silver nanoparticles deposited within different carbon supports: carboxylated-graphene, SiO2-doted reduced-…

Graphene-based nanofolds (GNFs) are edge-connected 2D stacked monolayers originated from single-layer graphene. Graphene-based nanoscrolls (GNSs) are nanomaterials with geometry resembling graphene layers rolled up into a spiral…

Materials Science · Physics 2021-09-23 Marcelo Lopes Pereira Junior , Luiz Antonio Ribeiro Junior

Graphene nanoribbons (GNRs) are a family of one-dimensional (1D) materials carved from graphene lattice. GNRs possess high mobility and current carrying capability, sizable bandgap, and versatile electronic properties tailored by the…

Mesoscale and Nanoscale Physics · Physics 2021-10-08 Haomin Wang , Hui Shan Wang , Chuanxu Ma , Lingxiu Chen , Chengxin Jiang , Chen Chen , Xiaoming Xie , An-Ping Li , Xinran Wang

In this letter, we investigate numerically (by non-equilibrium molecular dynamics) and analytically the thermal conductivity of nanoscale graphene disks (NGDs), and discussed the possibility to realize FGM with only one material, NGDs. We…

Materials Science · Physics 2015-12-07 Nuo Yang , Shiqian Hu , Dengke Ma , Tingyu Lu , Baowen Li
‹ Prev 1 3 4 5 6 7 10 Next ›